Nonessential amino acid
[机] 非必需氨基酸
🧩 词语组成解析
a. 非本质的\\nn. 不重要的人
a. 氨基的\\n[医] 氨基
🗣️ 情景例句
She said she'll call back?
她说过她会打电话回来？
I stayed and did some extra work.
我留下加了一会儿班。
Winter was coming on and the hills threatened the surrounding villages with destruction, for heavy rain would not only wash away the soil but would cause serious floods as well.
冬季即将来临，这些山丘对周围的村庄具有毁灭性的威胁，因为大雨不仅会冲走土壤，而且还会引起严重的水灾。